/*
 * Copyright 2022 Haulmont.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.jmix.flowui.kit.component.valuepicker;

import com.vaadin.flow.component.ComponentEventListener;
import com.vaadin.flow.component.shared.HasPrefix;
import com.vaadin.flow.component.shared.HasSuffix;
import com.vaadin.flow.shared.Registration;

import java.util.Collection;
import java.util.Collections;

/**
 * A component that allows selection and management of multiple values.
 *
 * @param <V> the type of values managed by the picker
 */
public class MultiValuePicker<V> extends ValuePickerBase<MultiValuePicker<V>, Collection<V>>
        implements HasPrefix, HasSuffix {

    public boolean isAllowCustomValue() {
        return super.isAllowCustomValueBoolean();
    }

    @Override
    public void setAllowCustomValue(boolean allowCustomValue) {
        super.setAllowCustomValue(allowCustomValue);
    }

    @Override
    public Registration addCustomValueSetListener(ComponentEventListener<CustomValueSetEvent<MultiValuePicker<V>, Collection<V>>> listener) {
        return super.addCustomValueSetListener(listener);
    }

    @Override
    public Collection<V> getEmptyValue() {
        return Collections.emptySet();
    }
}
